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Joined: May 2002
Posts: 17,742 Likes: 36
Member
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Member
Joined: May 2002
Posts: 17,742 Likes: 36 |
There's diagrams online on how to make a polarity guard, a lot cheaper than buying them, or just flip tip and ring cheaper still.
Retired phone dude
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Visit Atcom to get started with your new business VoIP phone system ASAP
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Joined: Feb 2014
Posts: 659
Moderator-1A2
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Moderator-1A2
Joined: Feb 2014
Posts: 659 |
I just saw a 50 pack of 1 amp bridge rectifiers on flea bay for around 3 bucks... hard to get any cheaper than that.
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